Base | Representation |
---|---|
bin | 1001011011001… |
… | …0111111110001 |
3 | 2202101100121220 |
4 | 2112302333301 |
5 | 40104433411 |
6 | 3531135253 |
7 | 660001134 |
oct | 226627761 |
9 | 82340556 |
10 | 39530481 |
11 | 2034a921 |
12 | 112a4529 |
13 | 8260c23 |
14 | 537021b |
15 | 370cb06 |
hex | 25b2ff1 |
39530481 has 8 divisors (see below), whose sum is σ = 52841664. Its totient is φ = 26286480.
The previous prime is 39530479. The next prime is 39530483. The reversal of 39530481 is 18403593.
It is an interprime number because it is at equal distance from previous prime (39530479) and next prime (39530483).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 39530481 - 21 = 39530479 is a prime.
It is a super-2 number, since 2×395304812 = 3125317856182722, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (39530483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15405 + ... + 17786.
It is an arithmetic number, because the mean of its divisors is an integer number (6605208).
Almost surely, 239530481 is an apocalyptic number.
It is an amenable number.
39530481 is a deficient number, since it is larger than the sum of its proper divisors (13311183).
39530481 is a wasteful number, since it uses less digits than its factorization.
39530481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33591.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 39530481 is about 6287.3270155130. The cubic root of 39530481 is about 340.6518090282.
It can be divided in two parts, 395 and 30481, that added together give a triangular number (30876 = T248).
The spelling of 39530481 in words is "thirty-nine million, five hundred thirty thousand, four hundred eighty-one".
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